[PATCH/dpkg-cross] trivial: remove braindeadness from dpkg-cross script

["Alexander Shishkin" <alexander.shishckin@gmail.com>]

Wee, I've just come across this utterly sexy thing. Whoever wrote this
does not deserve a candy.
P.S. Now I think by starting a "let's finally rewrite dpkg-cross in
perl" campaign.

--- /home/virtuoso/repos/slind-deb-host/dpkg-cross/trunk/dpkg-cross	2006-06-02
16:18:23.000000000 +0200
+++ dpkg-cross/dpkg-cross	2006-06-12 17:30:38.000000000 +0200
@@ -257,7 +257,6 @@
	my $tmpdir = create_tmpdir('dpkg-cross');
	if (!$tmpdir) {
		warn "$progname: failed to create temporaty directory: $!\n";
-		system("rm -rf $tmpdir");
		return "";
	}
	my ($src, $dst) = ("$tmpdir/src", "$tmpdir/dst");